<?
/**
 * Copyright 2007 Melange.
 *
 * This file is part of PHP-MELANGE.
 *
 * PHP-MELANGE is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * PHP-MELANGE is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with PHP-MELANGE; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category    Melange
 * @package     php-melange
 * @subpackage  cms
 * @copyright   Copyright (c) 2007 Jeroen Simons. All rights reserved
 * @author      Jeroen Simons <jeroen@melange.nl>
 * @link        http://www.melange.nl/
 *
 */

class PHP_CMS_View_Helper_Parameter {

    private $parameters = null;

    function parameter($name, $action = null) {

        if($this->parameters === null) {

            if($action === null)
                $action = $this->pageContext->action;

            $this->parse($action->getParameter());

        }

        return array_key_exists($name, $this->parameters) ?
            $this->parameters[$name] : null;

    }

    public function parse($paramstr) {
        $this->parameters = array();
        $parameters = explode(",", $paramstr);
        foreach($parameters as $params) {
            if(strpos($params, "=") !== false) {
                $params = explode("=", trim($params));
                $this->parameters[trim($params[0])] = trim($params[1]);
            } else {
                $this->parameters[trim($params)] = trim($params);
            }
        }    
    }

}
?>